111204242611 has 48 divisors (see below), whose sum is σ = 144731664000. Its totient is φ = 84444232320.

The previous prime is 111204242603. The next prime is 111204242657. The reversal of 111204242611 is 116242402111.

It is not a de Polignac number, because 111204242611 - 2³ = 111204242603 is a prime.

It is a super-2 number, since 2×111204242611² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111204242111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10586640 + ... + 10597138.

It is an arithmetic number, because the mean of its divisors is an integer number (3015243000).

Almost surely, 2^111204242611 is an apocalyptic number.

111204242611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111204242611 is a deficient number, since it is larger than the sum of its proper divisors (33527421389).

111204242611 is a wasteful number, since it uses less digits than its factorization.

111204242611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11024 (or 11017 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 111204242611 its reverse (116242402111), we get a palindrome (227446644722).

The spelling of 111204242611 in words is "one hundred eleven billion, two hundred four million, two hundred forty-two thousand, six hundred eleven".